Met`al*log"ra*phy (?), n. [L. metallum metal + -graphy: cf. F. métallographie.] 1. The science or art of metals and metal working; also, a treatise on metals.

2. A method of transferring impressions of the grain of wood to metallic surfaces by chemical action. Knight.

3. A substitute for lithography, in which metallic plates are used instead of stone. Knight.